The for the iPhone 4 allowing you to power your phone from an eco-friendly power source. The charger makes use of the kinetic energy of the bike moving, its wheels turning, by converting it into electricity that it can then use to power your iPhone 4.
The is a great device for protecting your iPhone 4 while providing you with an eco-friendly back up power supply. The case has an inbuilt solar panel that charges its internal battery, this power can then be used by your iPhone when it is required, just remember to leave the protective case in the sun...
The allows you to charge your cell phone without any worries about unplugging the charger once the battery is fully charged. This charger not only prevents the phone from being able to draw any additional charge but also helps to save electricity by working efficiently when charging.
If you’re stuck in the middle of nowhere, then you probably don’t have access to a power outlet. However, if you can’t live without a radio or flashlight, then the might appeal to you. The radio has the standard built-in FM and AM bands, but it can also receive the NOAA weather band. When it...
It appears that the Nintendo DS Lite was made for solar panels, as the Instructables author dark sponge has created a useful solar charger for the DS Lite. The top face has enough space for two 60x60mm solar cells side by side, each outputting 3V at 40mA.
